As per summary: * Class files not found via DEPEND in package.env * org/apache/tools/ant/BuildLogger.class * org/apache/tools/ant/BuildListener.class * org/apache/tools/ant/UnknownElement.class * org/apache/tools/ant/Task.class * org/apache/tools/ant/Project.class * org/apache/tools/ant/BuildEvent.class * org/apache/tools/ant/Target.class
This warning is no longer displayed for ant tasks as the situation is legitimate.